Breakouts:

site type timestamp offset
USE-0400 level 2017-08-05 03:00:00 10.30
USE-0400 level 2017-08-15 11:00:00 -10.93
IALL-0008 level 2017-08-05 03:00:00 8.09
IALL-0008 level 2017-08-23 12:00:00 -10.24
IALL-0008 velocity 2017-07-31 21:00:00 -1.08
IALL-0008 velocity 2017-08-22 10:00:00 0.85
THL-0085 velocity 2017-08-27 10:00:00 1.81
THL-0085 velocity 2017-09-07 15:00:00 -1.46
THL-0085 velocity 2017-09-17 15:00:00 0.81
OA-0020 velocity 2017-09-20 23:00:00 -1.38
LSE-0015 velocity 2017-08-05 18:00:00 1.14
S50-011230 level 2017-09-17 10:00:00 -0.82
S50-011230 velocity 2017-09-15 10:00:00 -0.47

Appendix: A complete list of monitored sites